From: kernel test robot <lkp@intel.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Ingo Molnar <mingo@kernel.org>
Subject: arch/x86/entry/common.c:736:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall'
Date: Tue, 20 Sep 2022 22:14:18 +0800 [thread overview]
Message-ID: <202209202208.CpsEyXIp-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 521a547ced6477c54b4b0cc206000406c221b4d6
commit: 2f6474e4636bcc68af6c44abb2703f12d7f083da x86/entry: Switch XEN/PV hypercall entry to IDTENTRY
date: 2 years, 3 months ago
config: x86_64-randconfig-r016-20220919 (https://download.01.org/0day-ci/archive/20220920/202209202208.CpsEyXIp-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2f6474e4636bcc68af6c44abb2703f12d7f083da
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2f6474e4636bcc68af6c44abb2703f12d7f083da
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/entry/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
Note: functions only called from assembly code should be annotated with the asmlinkage attribute
All warnings (new ones prefixed by >>):
arch/x86/entry/common.c:274:24: warning: no previous prototype for 'prepare_exit_to_usermode' [-Wmissing-prototypes]
274 | __visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:336:24: warning: no previous prototype for 'syscall_return_slowpath' [-Wmissing-prototypes]
336 | __visible noinstr void syscall_return_slowpath(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~
>> arch/x86/entry/common.c:736:24: warning: no previous prototype for 'xen_pv_evtchn_do_upcall' [-Wmissing-prototypes]
736 | __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~~~~~~
vim +/xen_pv_evtchn_do_upcall +736 arch/x86/entry/common.c
735
> 736 __visible noinstr void xen_pv_evtchn_do_upcall(struct pt_regs *regs)
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-09-20 14:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 14:14 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-04-03 13:02 kernel test robot
2020-07-18 21:46 kernel test robot
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